#include <stdio.h>

int *max(int* a, int* b){
	if(*a > *b) return a;
	else return b;
}

int main(){
	int *p,x,y;
	x = 3 ,y = 5;
	p = (&x,&y);
	printf("3和5比较%d大\n",*p);
}
